World sea water temperatures

Water temperature in St George Island (FL) in December

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Is it warm enough to swim in St George Island in December? Average water temperature in St George Island in December is 65.7°F and therefore is not suitable for comfortable swimming. The warmest sea in St George Island in December is 70.3°F, and the coldest is 58.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in St George Island

Changes water temperature in St George Island in December 2025, 2024

To get an accurate forecast for the water temperature in St George Island for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in St George Island, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of December.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
December 168.4°F68°F65.1°F70.3°F
December 268°F68°F64.9°F70.3°F
December 367.5°F66.4°F64.6°F70.2°F
December 467.3°F66.4°F64.8°F69.4°F
December 567.1°F65.5°F64.9°F69.4°F
December 666.6°F66.2°F65.5°F69.3°F
December 766.7°F65.7°F63.7°F69.3°F
December 865.5°F64.8°F64.2°F69.6°F
December 966°F64.4°F64.4°F69.4°F
December 1065.8°F64.6°F64.4°F70°F
December 1166°F64.9°F63.9°F70°F
December 1266.6°F64.8°F62.8°F70°F
December 1366.2°F64.6°F63.3°F69.8°F
December 1465.5°F64.6°F63.5°F69.3°F
December 1565.1°F65.1°F62.4°F69.4°F
Day 2025 2024 Min Max
December 1663.9°F64.4°F62.8°F69.4°F
December 1762.6°F64°F62.2°F68.5°F
December 1864.4°F64.6°F61.5°F68.5°F
December 1964°F65.5°F61.5°F68.4°F
December 2064.2°F64.8°F60.4°F68.5°F
December 2164.2°F65.5°F60.4°F67.6°F
December 2264°F65.1°F60.1°F67.6°F
December 2364.9°F64.4°F59.7°F67.3°F
December 2465.3°F63°F58.8°F67.3°F
December 2564.4°F62.4°F59°F68°F
December 2664.6°F62.1°F59.2°F68°F
December 2764.8°F62.6°F59.4°F68.5°F
December 2865.3°F62.6°F59.5°F69.6°F
December 2964.8°F62.2°F60.6°F69.3°F
December 3065.1°F63.3°F59.5°F69.1°F
December 3164.2°F63.1°F60.1°F69.1°F
St George Island water temp chart in December

Average water temperature in St George Island in December over a decade

20162017201820192020
67.3°F66.2°F63.7°F64.2°F64.8°F
20212022202320242025
66.9°F65.3°F62.8°F64.6°F68°F

St George Island sea state in December

Chart comparing the height of waves in St George Island in December over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in St George Island in December

St George Island water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in December?

Want to know where the water temperature in December is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in December. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Lanark Village64°F53.8°F69.1°F
Cape San Blas66°F58.5°F71.2°F
Saint Teresa63.5°F52.2°F68.7°F
Alligator Point63.9°F55°F68.7°F
Ochlockonee Bay63.1°F50.5°F68.7°F
Mexico Beach64.9°F55.2°F70.3°F
Bald Point63.3°F53.4°F68.5°F
Panacea63°F49.3°F68.5°F
Mashes Sands Beach63°F51.3°F68.5°F
Shell Point Beach62.8°F49.6°F68.4°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for St George Island is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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